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PIC14000-20ISP Datasheet(PDF) 10 Page - Microchip Technology |
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PIC14000-20ISP Datasheet(HTML) 10 Page - Microchip Technology |
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10 / 153 page  PIC14000 DS40122B-page 10 Preliminary © 1996 Microchip Technology Inc. Legend: RD3/REFB 3 I/O-PU AN/ST CMOS General purpose I/O or programmable reference B output. RD4/AN4 26 I/O AN/ST CMOS Analog input channel 4. This pin can also serve as a GPIO. RD5/AN5 25 I/O AN/ST CMOS Analog input channel 5. This pin can connect to a level shift network. If enabled, a +0.5V offset is added to the input voltage. This pin can also serve as a GPIO. RD6/AN6 24 I/O AN/ST CMOS Analog input channel 6. This pin can also serve as a GPIO. RD7/AN7 23 I/O AN/ST CMOS Analog input channel 7. This pin can also serve as a GPIO. VREG 10 O — AN This pin is an output to control the gate of an external N-FET for voltage regulation. OSC1/PBTN 8 I-PU ST — IN Mode: Input with weak pull-up resistor, can be used to generate an interrupt. HS Mode: External oscillator input. OSC2/ CLKOUT 7 O — CMOS IN Mode: General purpose output. HS Mode: External oscillator/clock output. MCLR/VPP 14 I/PWR ST Master clear (reset) input / programming voltage input. This pin is an active low reset to the device. VDD 9 PWR Positive supply connection VSS 20 GND Return supply connection Type: Definition: TTL TTL-compatible input CMOS CMOS-compatible input or output ST Schmitt Trigger input, with CMOS levels SM SMBus compatible input OD Open-drain output. An external pull-up resistor is required if this pin is used as an output. NPU N-channel pull-up. This pin will pull-up to approximately VDD - 1.0V when outputting a logical ‘1’. PU Weak internal pull-up (10K-50K ohms) No-P diode No P-diode to VDD. This pin may be pulled above the supply rail (to 6.0V maximum). AN Analog input or output TABLE 3-1: PIN DESCRIPTIONS (CONTINUED) Pin Name Pin No. I/O Pin Type Input Output Description |
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